Scale Engineer

Junior Engineer

Software EngineerP30Medium

The Junior Engineer (P30) interview process at Atlassian is designed to assess foundational software engineering skills, problem-solving abilities, and cultural fit. It typically involves multiple stages, including initial screening, technical interviews focusing on data structures, algorithms, and coding, and a behavioral interview to gauge teamwork and communication. The goal is to identify candidates with strong potential for growth within the company.

Rounds·3

Timeline·~14d

Experience·0 - 2 yrs

Comp band·US$70000 - US$95000

Interview time·120 min

Evaluation

What they measure.

  • Problem-solving skills
  • Coding proficiency
  • Algorithmic thinking
  • Data structure knowledge
  • Communication skills
  • Teamwork and collaboration
  • Adaptability and learning agility
  • Cultural fit with Atlassian values

Preparation

How to prepare.

Tips

  1. Review fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, graph traversal).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte, focusing on easy and medium difficulty.
  3. Understand object-oriented programming (OOP) principles.
  4. Familiarize yourself with common software development concepts like version control (Git) and basic testing.
  5. Research Atlassian's products (Jira, Confluence, Trello) and company culture.
  6. Prepare to discuss your projects, internships, or any relevant experience using the STAR method (Situation, Task, Action, Result).
  7. Practice explaining your thought process clearly and concisely.
  8. Be ready to ask thoughtful questions about the role, team, and company.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Complexity Analysis

Weeks 1-2: Data Structures (Arrays, Linked Lists, Stacks, Queues, Hash Maps) & Big O.

Weeks 1-2: Focus on core data structures like arrays, linked lists, stacks, queues, and hash maps. Practice implementing them and solving problems related to their usage. Understand time and space complexity (Big O notation).

Questions

Commonly asked.

  • Write a function to reverse a string.
  • Given an array of integers, find the two numbers that add up to a specific target.
  • Explain the difference between a list and an array.
  • Describe a time you faced a technical challenge and how you overcame it.
  • How would you design a simple URL shortener?
  • What are your strengths and weaknesses?
  • Why are you interested in this role at Atlassian?

Locations

Regional differences.

Fig · Regions — 03 locations

01 / 03

Location

Sydney

Interview focus

Understanding of core programming concepts.Ability to write clean and efficient code.Problem-solving approach.Enthusiasm for learning and growth.

Common questions

  • Tell me about a challenging project you worked on during your studies or internships.
  • How do you approach debugging a complex issue?
  • Describe a time you had to learn a new technology quickly. How did you do it?

Tips

  • Be prepared to discuss your academic projects or any internship experience in detail.
  • Showcase your eagerness to learn and adapt.
  • Highlight any contributions to open-source projects or personal coding projects.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at Atlassian.

Frequently reported on Atlassian loops

View all at Atlassian

Other guides

More at Atlassian.